- Brand Name: Casio
- Model Number: GA-100-1A1
- Item Shape: Round
- Dial window material type: Plastic
- Display Type: Analog and digital
- Clasp: Buckle
- Metal stamp: None
- Case material: Resin
- Case diameter: 51 millimeters
- Case Thickness: 17 millimeters
- Band Material: Resin
- Band length: Unisex
- Brand Name: Casio
- Model Number: GA-100-1A1
- Item Shape: Round
- Dial window material type: Plastic
- Display Type: Analog and digital
- Clasp: Buckle
- Metal stamp: None
- Case material: Resin
- Case diameter: 51 millimeters
- Case Thickness: 17 millimeters
- Band Material: Resin
- Band length: Unisex
- Band width: 16 millimeters
- Band Color: Black
- Dial color: Black
- Bezel material: Resin
- Bezel function: 24 hour time display
- Calendar: Day and date
- Special features: Shock resistant, Luminous, Light, Stop watch
- Item weight: 2.40 Ounces
- Movement: Quartz
- Water resistant depth: 200 Meters